void RandomToFillCircle(float Raduis, Vector3 Position)
{
float ParticleArea = SnowConstants.PARTICLE_DIAM * SnowConstants.PARTICLE_DIAM;
float ParticleMass = SnowConstants.DENSITY * ParticleArea * 0.03f;
float CricleArea = Mathf.PI * Raduis * Raduis / 100000;
uint NumberOfParticle = (uint)(CricleArea / ParticleArea);
int Count = 0;
Vector3[] CriclePos =
{ Position, new Vector3(80, 50, 0), new Vector3(0, 0, 0) };
Vector3[] CricleSpeed =
{ new Vector3(200, -150, 0), new Vector3(0, 0, 0), new Vector3(0, 0, 0) };
for (uint i = 0; i < this.particle_input_data_.Length; ++i)
{
if (i < NumberOfParticle * (Count + 1))
{
MaterialPointParticleData it = this.particle_input_data_[i];
Vector3 rand = new Vector3(UnityEngine.Random.Range(-Raduis, Raduis), UnityEngine.Random.Range(-Raduis, Raduis), 0);
//rand = UnityEngine.Random.insideUnitSphere * Raduis;
while (Vector3.Dot(rand, rand) > Raduis * Raduis)
{
rand = new Vector3(UnityEngine.Random.Range(-Raduis, Raduis), UnityEngine.Random.Range(-Raduis, Raduis), 0);
}
it.position_ = new Vector3(rand.x + CriclePos[Count].x, rand.y + CriclePos[Count].y, rand.z + CriclePos[Count].z);
it.velocity_ = new Vector3(CricleSpeed[Count].x, CricleSpeed[Count].y, CricleSpeed[Count].z);
it.mass_ = ParticleMass;
this.particle_input_data_[i] = it;
}
else
{
Count++;
}
}
}
void RandomToFillOneCircle(float Raduis, Vector3 Position)
{
float ParticleArea = SnowConstants.PARTICLE_DIAM * SnowConstants.PARTICLE_DIAM;
float ParticleMass = SnowConstants.DENSITY * ParticleArea * 0.03f;
float CricleArea = Mathf.PI * Raduis * Raduis / 100000;
uint NumberOfParticle = (uint)(CricleArea / ParticleArea);
for (uint i = 0; i < this.particle_input_data_.Length; ++i)
{
MaterialPointParticleData it = this.particle_input_data_[i];
Vector3 rand = new Vector3(UnityEngine.Random.Range(-Raduis, Raduis), UnityEngine.Random.Range(-Raduis, Raduis), 0);
while (Vector3.Dot(rand, rand) > Raduis * Raduis)
{
rand = new Vector3(UnityEngine.Random.Range(-Raduis, Raduis), UnityEngine.Random.Range(-Raduis, Raduis), 0);
}
rand = UnityEngine.Random.insideUnitSphere * Raduis;
it.position_ = rand + Position;
it.mass_ = ParticleMass;
this.particle_input_data_[i] = it;
}
}